Question: Given the data in Table 2.7, determine the direction angles of the normal vectors to joint planes A andB. Cohesion psf Dip (kPa) Friction angle

Given the data in Table 2.7, determine the direction angles of the normal vectors to joint planes A andB.

Cohesion psf Dip (kPa) Friction angle Direction angles Area ft? (m) of

Cohesion psf Dip (kPa) Friction angle Direction angles Area ft? (m) of nomals a.B.y () Dip dir. Parameter plane () 8,072 (750) 8,072 (750) 1,080 (51.7) 32 60 Joint B Face 1,640 (78.5) 37 90 45 45 Tension crack 60 85 Upland 1,312 (122) 75 45 39

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